Background Multiple new procedures for treatment of complex anal ﬁstula have been described in the past decades, but an ideal single technique has yet not been identiﬁed. Factors that predict the outcome are required to identify the best procedure for each individual patient. The aim of this study was to ﬁnd those predictors for advancement ﬂap at midterm follow-up. Methods From 2012 to 2015 in a tertiary university clinic, all patients who underwent advancement ﬂap for treat- ment of complex cryptoglandular ﬁstula were prospectively enrolled. Pre- and postoperatively standardized anamnestic and clinical examinations were performed. Predictive factors for therapy failure were identiﬁed using univariate and multivariate analysis. Results Out of 65 patients, 61 (93%) completed all examinations and were included in the study. Therapy failure after a mean follow-up period of 25 months occurred in total n = 11 patients (18%). There was no signiﬁcant disturbance of continence among the entire study cohort as shown by the incontinence score (preop 0.34 ± 0.91 pts., postop 0.37 ± 0.97 pts.; p = 0.59). Univariate analysis for risk factors for therapy failure revealed age (p = 0.004), history of surgical abscess drainage (p = 0.04), BMI (p = 0.002), suprasphincteric ﬁstula
World Journal of Surgery – Springer Journals
Published: Mar 23, 2017
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